Head to head
2
Hard
4
2
Clay
0
Sebastien Grosjean's wins on the left · Nicolas Kiefer's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (8)
| 2009 | Lyon | Hard | R32 | Nicolas Kiefer | 4-6 7-6(7) 7-6(2) |
| 2006 | Davis Cup WG R1: GER vs FRA | Hard | RR | Sebastien Grosjean | 7-5 7-6(7) 6-0 |
| 2006 | Australian Open | Hard | QF | Nicolas Kiefer | 6-3 0-6 6-4 6-7(1) 8-6 |
| 2005 | Hamburg Masters | Clay | R32 | Sebastien Grosjean | 2-6 6-3 6-4 |
| 2004 | Miami Masters | Hard | R16 | Nicolas Kiefer | 6-4 6-2 |
| 2002 | Indianapolis | Hard | R16 | Sebastien Grosjean | 7-6(4) 6-3 |
| 2000 | Gstaad | Clay | R16 | Sebastien Grosjean | 6-3 6-1 |
| 1999 | Cincinnati Masters | Hard | R64 | Nicolas Kiefer | 7-5 6-3 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.